Abstract
The recent systematic classification of Malagasy amphibians by Glaw & Vences (2006) proposed a new monophyletic Boophis subgenus (Sahona), that includes the species formerly ascribed to the B. tephraeomystax group. This subgenus contains ten described species (Vallan et al. 2009), which show a rather cryptic colouration, sometimes reminding tree corks and lichens, as it is the case of B. lichenoides, B. guibei, and possibly also in B. xerophilus (Andreone 2002; Glaw & Vences 2007).
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